Litigation resulting from improper restraint use is a common nursing legal issue. A nursing student is listing points related to the use of restraints. Which factor needs correction?1. Restraints can be used when less restrictive interventions are not successful.2. Restraints can be used when all other alternatives have been tried and exhausted.3. Restraints can be used only to ensure the physical safety of the resident or other residents.4. Restraints can be used anytime without a written order from the healthcare provider.